US2733494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
there
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:12
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0058; B28B7/34; B28B7/344; B28B7/346; Y; Y10; Y10S; Y10S264/00; Y10S264/61; Y10S264/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A DIE MEMBER FOR SHAPING PLASTIC MATERIAL BY PRESSING COMPRISING A FLUID PERMEABLE DIE BODY HAVING AN EXPOSED CONTOURED WARE-SHAPING SURFACE, A FLUID PERMEABLE CONDUIT IN SAID DIE MEMBER FOR DISCHARGE OF FLUID UNDER PRESSURE THROUGH SAID WARE-SHAPING SURFACE, A SCRAP RECEIVING AREA SURROUNDING SAID SURFACE, A PROJECTION SEPARATING SAID SURFACE FROM SAID SCRAP RECEIVING AREA AND A SUBSTANTIALLY IMPERMEABLE, WATER-INSOLUBLE AND WEAR-RESISTANT INSERT FORMING AT LEAST A PORTION OF THE TOP OF SAID PROJECTION FOR PROLONGING THE USEFUL LIFE OF THE DIE MEMBER AND PREVENTING DISCHARGE OF FLUID THROUGH SAID WEARRESISTANT MEMBER.
Claim 2
Dependent Claim
93 words
A DIE MEMBER FOR SHAPING PLASTIC MATERIAL BY PRESSING COMPRISING A FLUID PERMEABLE DIE BODY HAVING AN EXPOSED CONTOURED WARE-SHAPING SURFACE, A FLUID PERMEABLE CONDUIT IN SAID DIE MEMBER FOR DISCHARGE OF FLUID UNDER PRESSURE THROUGH SAID WARE-SHAPING SURFACE, A SCRAP RECEIVING AREA SURROUNDING SAID SURFACE, A PROJECTION SEPARATING SAID SURFACE FROM SAID SCRAP RECEIVING AREA AND A SUBSTANTIALLY IMPERMEABLE, WATER-INSOLUBLE AND WEAR-RESISTANT INSERT FORMING AT LEAST A PORTION OF THE TOP OF SAID PROJECTION FOR PROLONGING THE USEFUL LIFE OF THE DIE MEMBER AND PREVENTING DISCHARGE OF FLUID THROUGH SAID WEARRESISTANT MEMBER.
References Cited (Backward Citations)
US2191857A
Cited
US2204263A
Cited
US2480426A
Cited
US2584110A
Cited
US2495064A
Cited
US2627641A
Cited
US2661498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |